diff --git a/contribs/accessibility/src/main/java/org/matsim/contrib/accessibility/AccessibilityFromEvents.java b/contribs/accessibility/src/main/java/org/matsim/contrib/accessibility/AccessibilityFromEvents.java
index b43c9ae5f2e..9967e872069 100644
--- a/contribs/accessibility/src/main/java/org/matsim/contrib/accessibility/AccessibilityFromEvents.java
+++ b/contribs/accessibility/src/main/java/org/matsim/contrib/accessibility/AccessibilityFromEvents.java
@@ -8,9 +8,7 @@
 import org.matsim.contrib.dvrp.run.DvrpModule;
 import org.matsim.core.api.experimental.events.EventsManager;
 import org.matsim.core.config.ConfigUtils;
-import org.matsim.core.controler.AbstractModule;
-import org.matsim.core.controler.Injector;
-import org.matsim.core.controler.MatsimServices;
+import org.matsim.core.controler.*;
 import org.matsim.core.controler.events.ShutdownEvent;
 import org.matsim.core.controler.listener.ControlerListener;
 import org.matsim.core.controler.listener.ShutdownListener;
@@ -76,11 +74,31 @@ public void run() {
 
 		AbstractModule module = new AbstractModule(){
 			@Override public void install(){
+				install( new TimeInterpretationModule() );
+				// has to do with config
+
 				install( new ScenarioByInstanceModule( scenario ) ) ;
+				// (= scenario)
+
+//				install( new NewControlerModule() );
+				// (= some controler infrastructure because in particular dvrp wants it)
+
+				bind(OutputDirectoryHierarchy.class).asEagerSingleton();
+
 				install( new TripRouterModule() ) ;
-				install( new TimeInterpretationModule() );
-//				install(new EventsManagerModule());
-//				install(new DvrpModule());
+				// (= installs the trip router.  This includes (based on the config settings) installing everything that is needed
+				// for: teleportation routers, network routers, pt routers.)
+
+				for( String mode : getConfig().routing().getNetworkModes() ){
+					addTravelTimeBinding( mode ).toInstance( map.get(mode) );
+				}
+				// (= sets the network travel times which are needed for the TripRouterModule)
+
+				install( new TravelDisutilityModule() ) ;
+				// (= installs the travel disuility which is necessary for routing.  The travel times are constructed earlier "by hand".)
+
+				//				install(new EventsManagerModule());
+				install(new DvrpModule());
 //				MultiModeDrtConfigGroup multiModeDrtConfig = ConfigUtils.addOrGetModule(scenario.getConfig(), MultiModeDrtConfigGroup.class);
 //				for (DrtConfigGroup drtCfg : multiModeDrtConfig.getModalElements()) {
 //					install(new DrtModeModule(drtCfg));
@@ -92,15 +110,14 @@ public void run() {
 ////				install(new MultiModeDrtModule());
 ////				install(new MultiModeDrtCompanionModule());
 //
-				for( String mode : getConfig().routing().getNetworkModes() ){
-					addTravelTimeBinding( mode ).toInstance( map.get(mode) );
-				}
-				install( new TravelDisutilityModule() ) ;
-				final AccessibilityModule module = new AccessibilityModule();
-				for( FacilityDataExchangeInterface dataListener : dataListeners ){
-					module.addFacilityDataExchangeListener( dataListener );
+				// install the accessiblity module:
+				{
+					final AccessibilityModule module = new AccessibilityModule();
+					for( FacilityDataExchangeInterface dataListener : dataListeners ){
+						module.addFacilityDataExchangeListener( dataListener );
+					}
+					install( module );
 				}
-				install( module ) ;
 			}
 		};
 
diff --git a/contribs/accessibility/src/test/java/org/matsim/contrib/accessibility/run/TinyAccessibilityTest.java b/contribs/accessibility/src/test/java/org/matsim/contrib/accessibility/run/TinyAccessibilityTest.java
index be86bbd3ae3..3a3423e649a 100644
--- a/contribs/accessibility/src/test/java/org/matsim/contrib/accessibility/run/TinyAccessibilityTest.java
+++ b/contribs/accessibility/src/test/java/org/matsim/contrib/accessibility/run/TinyAccessibilityTest.java
@@ -35,6 +35,7 @@
 import org.matsim.api.core.v01.network.Node;
 import org.matsim.contrib.accessibility.*;
 import org.matsim.contrib.accessibility.AccessibilityConfigGroup.AreaOfAccesssibilityComputation;
+import org.matsim.contrib.dvrp.run.DvrpConfigGroup;
 import org.matsim.core.config.Config;
 import org.matsim.core.config.ConfigUtils;
 import org.matsim.core.config.groups.FacilitiesConfigGroup;
@@ -75,10 +76,13 @@ public void runFromEvents() {
 		acg.setBoundingBoxRight(max);
 		acg.setUseParallelization(false);
 
+		// ---
+
 		final Scenario scenario = createTestScenario(config);
 
-		final String eventsFile = utils.getClassInputDirectory() + "output_events.xml.gz";
+		// ---
 
+		final String eventsFile = utils.getClassInputDirectory() + "output_events.xml.gz";
 
 		AccessibilityFromEvents.Builder builder = new AccessibilityFromEvents.Builder( scenario , eventsFile );
 		builder.addDataListener( new ResultsComparator() );
@@ -106,10 +110,15 @@ public void runFromEventsDrt() {
 		acg.setUseParallelization(false);
 		acg.setComputingAccessibilityForMode(Modes4Accessibility.estimatedDrt, true);
 
+		DvrpConfigGroup dvrpConfig = ConfigUtils.addOrGetModule( config, DvrpConfigGroup.class );
+
+		// ---
+
 		final Scenario scenario = createTestScenario(config);
 
-		final String eventsFile = utils.getClassInputDirectory() + "output_events.xml.gz";
+		// ---
 
+		final String eventsFile = utils.getClassInputDirectory() + "output_events.xml.gz";
 
 		AccessibilityFromEvents.Builder builder = new AccessibilityFromEvents.Builder( scenario , eventsFile );
 		builder.addDataListener( new ResultsComparator() );